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Friday, 03/31/2006 3:09:18 PM

Friday, March 31, 2006 3:09:18 PM

Post# of 42612
Cerro Rico dominates the town of Potosi, and its Ag production has never been matched.......

When one compares Cerro Rico to other BPV deposits, three features stand out as being exceptional:

* The phenomenal silver resource. Cerro Rico has produced almost five times more silver than any other BPV deposit.

* Development of a thick acid-sulfate lithocap. The acid-sulfate lithocap at Cerro Rico is at least twice as thick as any other described from a BPV deposit.

* Development and preservation of a particularly deep zone of oxidation. This is almost four times as thick as any other developed at a BPV deposit.


http://www.gla.ac.uk/surrc/staff/boycea.html


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